Saffi Eriksdotter, Bartolomé del Presidio, and Sister Hospitaller

Prerequisites

• Saffi Eriksdotter on the battlefield
• Bartolomé del Presidio on the battlefield
• Sister Hospitaller in hand

Steps

1. Activate Saffi by sacrificing it, targeting Sister Hospitaller Activate Bartolomé del Presidio by sacrificing Sister Hospitaller When Sister Hospitaller dies, Saffi triggers, returning Sister Hospitaller from your graveyard to the battlefield
2. When Sister Hospitaller enters, it triggers, returning Saffi from your graveyard to the battlefield and causing you to gain 2 life
3. Resolve the Bartolomé del Presidio ability
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite death triggers
• Infinite lifegain triggers
• Infinite lifegain
• Infinite +1/+1 counters on a creature